/*
 * CalendarConvertView.java
 */

package calendarconvert;

import org.jdesktop.application.Action;
import org.jdesktop.application.ResourceMap;
import org.jdesktop.application.SingleFrameApplication;
import org.jdesktop.application.FrameView;
import org.jdesktop.application.TaskMonitor;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.util.prefs.Preferences;
import javax.swing.Timer;
import javax.swing.Icon;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import org.keplerproject.luajava.LuaState;
import org.keplerproject.luajava.LuaStateFactory;

/**
 * The application's main frame.
 */
public class CalendarConvertView extends FrameView {

    Preferences prefs;
    
    public CalendarConvertView(SingleFrameApplication app) {
        super(app);

        initComponents();

        // status bar initialization - message timeout, idle icon and busy animation, etc
        ResourceMap resourceMap = getResourceMap();
        int messageTimeout = resourceMap.getInteger("StatusBar.messageTimeout");
        messageTimer = new Timer(messageTimeout, new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                statusMessageLabel.setText("");
            }
        });
        messageTimer.setRepeats(false);
        int busyAnimationRate = resourceMap.getInteger("StatusBar.busyAnimationRate");
        for (int i = 0; i < busyIcons.length; i++) {
            busyIcons[i] = resourceMap.getIcon("StatusBar.busyIcons[" + i + "]");
        }
        busyIconTimer = new Timer(busyAnimationRate, new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                busyIconIndex = (busyIconIndex + 1) % busyIcons.length;
                statusAnimationLabel.setIcon(busyIcons[busyIconIndex]);
            }
        });
        idleIcon = resourceMap.getIcon("StatusBar.idleIcon");
        statusAnimationLabel.setIcon(idleIcon);
        progressBar.setVisible(false);

        // connecting action tasks to status bar via TaskMonitor
        TaskMonitor taskMonitor = new TaskMonitor(getApplication().getContext());
        taskMonitor.addPropertyChangeListener(new java.beans.PropertyChangeListener() {
            public void propertyChange(java.beans.PropertyChangeEvent evt) {
                String propertyName = evt.getPropertyName();
                if ("started".equals(propertyName)) {
                    if (!busyIconTimer.isRunning()) {
                        statusAnimationLabel.setIcon(busyIcons[0]);
                        busyIconIndex = 0;
                        busyIconTimer.start();
                    }
                    progressBar.setVisible(true);
                    progressBar.setIndeterminate(true);
                } else if ("done".equals(propertyName)) {
                    busyIconTimer.stop();
                    statusAnimationLabel.setIcon(idleIcon);
                    progressBar.setVisible(false);
                    progressBar.setValue(0);
                } else if ("message".equals(propertyName)) {
                    String text = (String)(evt.getNewValue());
                    statusMessageLabel.setText((text == null) ? "" : text);
                    messageTimer.restart();
                } else if ("progress".equals(propertyName)) {
                    int value = (Integer)(evt.getNewValue());
                    progressBar.setVisible(true);
                    progressBar.setIndeterminate(false);
                    progressBar.setValue(value);
                }
            }
        });
        
        prefs = Preferences.userNodeForPackage(this.getClass());
        txtInputFile.setText( prefs.get("input_file", ""));
        txtOutputFile.setText(prefs.get("output_file", ""));
    }

    @Action
    public void showAboutBox() {
        if (aboutBox == null) {
            JFrame mainFrame = CalendarConvertApp.getApplication().getMainFrame();
            aboutBox = new CalendarConvertAboutBox(mainFrame);
            aboutBox.setLocationRelativeTo(mainFrame);
        }
        CalendarConvertApp.getApplication().show(aboutBox);
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        mainPanel = new javax.swing.JPanel();
        lblInputFile = new javax.swing.JLabel();
        txtInputFile = new javax.swing.JTextField();
        btnSelectInput = new javax.swing.JButton();
        btnExecute = new javax.swing.JButton();
        lblOutputFile = new javax.swing.JLabel();
        txtOutputFile = new javax.swing.JTextField();
        btnSelectOutput = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        txtLog = new javax.swing.JTextArea();
        menuBar = new javax.swing.JMenuBar();
        javax.swing.JMenu fileMenu = new javax.swing.JMenu();
        javax.swing.JMenuItem exitMenuItem = new javax.swing.JMenuItem();
        javax.swing.JMenu helpMenu = new javax.swing.JMenu();
        javax.swing.JMenuItem aboutMenuItem = new javax.swing.JMenuItem();
        statusPanel = new javax.swing.JPanel();
        javax.swing.JSeparator statusPanelSeparator = new javax.swing.JSeparator();
        statusMessageLabel = new javax.swing.JLabel();
        statusAnimationLabel = new javax.swing.JLabel();
        progressBar = new javax.swing.JProgressBar();

        mainPanel.setName("mainPanel"); // NOI18N

        org.jdesktop.application.ResourceMap resourceMap = org.jdesktop.application.Application.getInstance(calendarconvert.CalendarConvertApp.class).getContext().getResourceMap(CalendarConvertView.class);
        lblInputFile.setText(resourceMap.getString("lblInputFile.text")); // NOI18N
        lblInputFile.setName("lblInputFile"); // NOI18N

        txtInputFile.setText(resourceMap.getString("txtInputFile.text")); // NOI18N
        txtInputFile.setName("txtInputFile"); // NOI18N

        javax.swing.ActionMap actionMap = org.jdesktop.application.Application.getInstance(calendarconvert.CalendarConvertApp.class).getContext().getActionMap(CalendarConvertView.class, this);
        btnSelectInput.setAction(actionMap.get("selectInputFile")); // NOI18N
        btnSelectInput.setText(resourceMap.getString("btnSelectInput.text")); // NOI18N
        btnSelectInput.setName("btnSelectInput"); // NOI18N

        btnExecute.setAction(actionMap.get("convertCalendar")); // NOI18N
        btnExecute.setText(resourceMap.getString("btnExecute.text")); // NOI18N
        btnExecute.setName("btnExecute"); // NOI18N

        lblOutputFile.setText(resourceMap.getString("lblOutputFile.text")); // NOI18N
        lblOutputFile.setName("lblOutputFile"); // NOI18N

        txtOutputFile.setText(resourceMap.getString("txtOutputFile.text")); // NOI18N
        txtOutputFile.setName("txtOutputFile"); // NOI18N

        btnSelectOutput.setAction(actionMap.get("selectOutputFile")); // NOI18N
        btnSelectOutput.setText(resourceMap.getString("btnSelectOutput.text")); // NOI18N
        btnSelectOutput.setName("btnSelectOutput"); // NOI18N

        jScrollPane1.setName("jScrollPane1"); // NOI18N

        txtLog.setColumns(20);
        txtLog.setRows(5);
        txtLog.setName("txtLog"); // NOI18N
        jScrollPane1.setViewportView(txtLog);

        javax.swing.GroupLayout mainPanelLayout = new javax.swing.GroupLayout(mainPanel);
        mainPanel.setLayout(mainPanelLayout);
        mainPanelLayout.setHorizontalGroup(
            mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(mainPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 367, Short.MAX_VALUE)
                    .addGroup(mainPanelLayout.createSequentialGroup()
                        .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addComponent(lblInputFile)
                            .addComponent(lblOutputFile))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(txtOutputFile)
                            .addComponent(txtInputFile, javax.swing.GroupLayout.DEFAULT_SIZE, 249, Short.MAX_VALUE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addComponent(btnSelectInput, javax.swing.GroupLayout.DEFAULT_SIZE, 49, Short.MAX_VALUE)
                            .addComponent(btnSelectOutput, javax.swing.GroupLayout.DEFAULT_SIZE, 49, Short.MAX_VALUE)))
                    .addComponent(btnExecute, javax.swing.GroupLayout.Alignment.TRAILING))
                .addContainerGap())
        );
        mainPanelLayout.setVerticalGroup(
            mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(mainPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(txtInputFile, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(btnSelectInput, javax.swing.GroupLayout.PREFERRED_SIZE, 20, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(lblInputFile))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(txtOutputFile, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(lblOutputFile)
                    .addComponent(btnSelectOutput, javax.swing.GroupLayout.PREFERRED_SIZE, 20, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addComponent(btnExecute)
                .addGap(18, 18, 18)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(2, 2, 2))
        );

        menuBar.setName("menuBar"); // NOI18N

        fileMenu.setText(resourceMap.getString("fileMenu.text")); // NOI18N
        fileMenu.setName("fileMenu"); // NOI18N

        exitMenuItem.setAction(actionMap.get("quit")); // NOI18N
        exitMenuItem.setName("exitMenuItem"); // NOI18N
        fileMenu.add(exitMenuItem);

        menuBar.add(fileMenu);

        helpMenu.setText(resourceMap.getString("helpMenu.text")); // NOI18N
        helpMenu.setName("helpMenu"); // NOI18N

        aboutMenuItem.setAction(actionMap.get("showAboutBox")); // NOI18N
        aboutMenuItem.setName("aboutMenuItem"); // NOI18N
        helpMenu.add(aboutMenuItem);

        menuBar.add(helpMenu);

        statusPanel.setName("statusPanel"); // NOI18N

        statusPanelSeparator.setName("statusPanelSeparator"); // NOI18N

        statusMessageLabel.setName("statusMessageLabel"); // NOI18N

        statusAnimationLabel.setHorizontalAlignment(javax.swing.SwingConstants.LEFT);
        statusAnimationLabel.setName("statusAnimationLabel"); // NOI18N

        progressBar.setName("progressBar"); // NOI18N

        javax.swing.GroupLayout statusPanelLayout = new javax.swing.GroupLayout(statusPanel);
        statusPanel.setLayout(statusPanelLayout);
        statusPanelLayout.setHorizontalGroup(
            statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(statusPanelSeparator, javax.swing.GroupLayout.DEFAULT_SIZE, 387, Short.MAX_VALUE)
            .addGroup(statusPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addComponent(statusMessageLabel)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 217, Short.MAX_VALUE)
                .addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(statusAnimationLabel)
                .addContainerGap())
        );
        statusPanelLayout.setVerticalGroup(
            statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(statusPanelLayout.createSequentialGroup()
                .addComponent(statusPanelSeparator, javax.swing.GroupLayout.PREFERRED_SIZE, 2, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addGroup(statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(statusMessageLabel)
                    .addComponent(statusAnimationLabel)
                    .addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(3, 3, 3))
        );

        setComponent(mainPanel);
        setMenuBar(menuBar);
        setStatusBar(statusPanel);
    }// </editor-fold>//GEN-END:initComponents

    @Action
    public void selectInputFile() {
        
        JFileChooser chooser = new JFileChooser();
        LuaFileFilter filter = new LuaFileFilter();
        chooser.addChoosableFileFilter(filter);
        
        int retval = chooser.showOpenDialog(mainPanel);
        if (retval == JFileChooser.APPROVE_OPTION) {
            this.txtInputFile.setText(chooser.getSelectedFile().toString());
            prefs.put("input_file", chooser.getSelectedFile().toString());
        }
        chooser.removeChoosableFileFilter(filter);
    }
    
    public void addLog( String log ) {
        txtLog.append(log + System.getProperty("line.separator"));
    }

    @Action
    public void convertCalendar() {
        
        File file = new File(txtInputFile.getText());
        if (file.isFile()) {
            LuaState L = LuaStateFactory.newLuaState();
            L.openBase();
            L.LdoFile( file.toString() );
            L.LdoString(
                    "storage = luajava.bindClass(\"calendarconvert.EventList\");\n" +
                    "storage:clear();\n" +
                    "for date,dobj in next, CalendarExport_Data do\n" +
                    "   for time,event in next, dobj do\n" +
                    "       obj = luajava.newInstance(\"calendarconvert.Event\");\n" +
                    "       obj:setDate( date );\n" +
                    "       obj:setTime( time );\n" +
                    "       obj:setMaxSize( event.maxSize );\n" +
                    "       obj:setTitle( event.title );\n" +
                    "       obj:setInviteStatus( event.inviteStatus );\n" +
                    "       obj:setRepeatOption( event.repeatOption );\n" +
                    "       obj:setEventType( event.eventType );\n" +
                    "       obj:setDescription( event.description );\n" +
                    "       storage:addEvent(obj);\n" +
                    "   end\n" +
                    "end\n"
                    );

            
            Object obj = L.getLuaObject("CalendarExport_Data");
            System.out.println("Table Is: " + obj.toString());
            
            L.close();
            
            System.out.println(EventList.getEvents().toString());
            try {
                CalendarConvertUtil.CreateCalendar(this, txtOutputFile.getText());
            } catch (Exception e) {
                e.printStackTrace();
                JOptionPane.showMessageDialog(mainPanel, "Exception encountered: " + e.getClass(), "Exception", JOptionPane.OK_OPTION);
            }
        }
    }

    @Action
    public void selectOutputFile() {
        JFileChooser chooser = new JFileChooser();
        LuaFileFilter filter = new LuaFileFilter();
        chooser.addChoosableFileFilter(filter);
        
        int retval = chooser.showSaveDialog(mainPanel);
        if (retval == JFileChooser.APPROVE_OPTION) {
            this.txtOutputFile.setText(chooser.getSelectedFile().toString());
            prefs.put("output_file", chooser.getSelectedFile().toString());
        }
        chooser.removeChoosableFileFilter(filter);
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton btnExecute;
    private javax.swing.JButton btnSelectInput;
    private javax.swing.JButton btnSelectOutput;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JLabel lblInputFile;
    private javax.swing.JLabel lblOutputFile;
    private javax.swing.JPanel mainPanel;
    private javax.swing.JMenuBar menuBar;
    private javax.swing.JProgressBar progressBar;
    private javax.swing.JLabel statusAnimationLabel;
    private javax.swing.JLabel statusMessageLabel;
    private javax.swing.JPanel statusPanel;
    private javax.swing.JTextField txtInputFile;
    private javax.swing.JTextArea txtLog;
    private javax.swing.JTextField txtOutputFile;
    // End of variables declaration//GEN-END:variables

    private final Timer messageTimer;
    private final Timer busyIconTimer;
    private final Icon idleIcon;
    private final Icon[] busyIcons = new Icon[15];
    private int busyIconIndex = 0;

    private JDialog aboutBox;
}
